-
alkyl or
benzyl (Bn) group: The
first unsubstituted imidazolidine synthesis was
reported in 1952.
Unsubstituted imidazolidines are
often labile. The rings...
- Takahashi,
Masahiko (2001). "The
first isolation of
unsubstituted porphyrinogen and
unsubstituted 21-oxaporphyrinogen by the '3+1'
approach from 2...
- The
mechanism of
action of the TMAs is
different from that of the
unsubstituted compound amphetamine,
probably involving agonist activity on serotonin...
-
synthesis and the
Doebner reaction. It
involves the
condensation of
unsubstituted anilines (1) with β-****tones (2) to form
substituted quinolines (4)...
-
attached to a
different ring
carbon atom. The
general formula for an
unsubstituted cy****ol is C nH 2n-x(OH) x or C nH 2nO x
where 3 ≤ x ≤ n. The name...
- bi- or tri-functionalization,
including C-H
functionalization of the
unsubstituted ortho position(s),
followed a
terminating cross-coupling
reaction at...
-
equation k 0 {\displaystyle {k}_{0}} is the
reference reaction rate of the
unsubstituted reactant, and k that of a
substituted reactant. A plot of log K K...
-
ammonium hydroxide or
ammonium acetate (as
reported by Paal)
gives the N-
unsubstituted pyrrole.
Thiophene synthesis is
achieved via a
mechanism very similar...
-
nitrogen atoms. 1,2,3-Triazole is a
basic aromatic heterocycle. The
unsubstituted ring can be
produced by an
oxidative coupling of glyoxal, hydrazine...
-
often about 30%,
however the
precursors are inexpensive. In particular,
unsubstituted pyridine is
produced from
formaldehyde and acetaldehyde. First, acrolein...